NIMONIC 263 microstructure and surface characterization after laser shock peeningReport as inadecuate




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Metallurgy, Vol.54 No.3 July 2015. -

The Laser Shock Peening LSP is applied to the surface of Nimonic 263 alloy. The changes in microstructure and surface topography are observed and analyzed by Scanning Electron Microscopy SEM, profilometer and microhardness tester. Various laser regimes are chosen which provoke effects of both mechanical and thermo-mechanical treatments of the sample surface. The optimal process parameters, that result in the finest microstructure, smooth and clean surface, are determined. Some wanted and unwanted phases leading to the crack formation are observed.

Nimonic 263; laser shock peening; microstructure; profilometry



Author: P. Drobnjak - ; High Technical School -Tehnikum-Tau runum-, Belgrade, Serbia A. Kovačević - ; Institute of Physics, University

Source: http://hrcak.srce.hr/



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